Data visualization with ggplot2
Masumbuko Semba
Nyamisi Peter
2024-04-01
Learning Agenda
- Get familiar with R and Rstudio
- Data structure and data types
- Reading and writing data in Rstudio
- Tidying with tidyverse
- Plotting and Visualization
- Data manipulation with tidyverse
- Descriptive Statistics
- Inferential Statistics
- Modelling and simulation
- Spatial Handling and Analysis
OVERVIEW
Questions
- How do you make plots using R?
- How do you customize and modify plots?
Objectives
- Produce histogram, scatter plots, boxplots, line plots and barplots using ggplot
- Describe what faceting is and apply faceting in ggplot
- Modify the aesthetics of an existing ggplot plot .
Plotting with ggplot2
- ggplot2 create complex plots from data in a data frame.
ggplot2 plots work best with data in the ‘long’ format
To build a ggplot, we will use the following basic template that can be used for different types of plots:
\[ Plot = Data + Aesthetics + Geom \]
Data visualization with ggplot2 Masumbuko Semba Nyamisi Peter 2024-04-01